Crump (6-2, 210) played two seasons at the University of Arizona where he appeared in 23 games and made 11 starts. He had 65 receptions for 610 yards and two touchdowns last season after collecting four receptions for 39 yards as a junior.

Crump began his collegiate career at Glendale Community College in 2007 before redshirting at West Virginia in 2008. He joined Arizona and sat out as a transfer in 2009.

The Cardinals had nine cornerbacks on the roster before releasing Lindsey. Lindsey was picked off waivers last September and spent most of the season on the practice squad.